1429669320 has 128 divisors (see below), whose sum is σ = 4368384000. Its totient is φ = 374250240.

The previous prime is 1429669301. The next prime is 1429669331. The reversal of 1429669320 is 239669241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2265405 + ... + 2266035.

It is an arithmetic number, because the mean of its divisors is an integer number (34128000).

Almost surely, 2^1429669320 is an apocalyptic number.

1429669320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1429669320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2184192000).

1429669320 is an abundant number, since it is smaller than the sum of its proper divisors (2938714680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429669320 is a wasteful number, since it uses less digits than its factorization.

1429669320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1429669320 is about 37810.9682499668. The cubic root of 1429669320 is about 1126.5363227400.

The spelling of 1429669320 in words is "one billion, four hundred twenty-nine million, six hundred sixty-nine thousand, three hundred twenty".